SWRU359F September   2015  – December 2021 WL1801MOD , WL1805MOD , WL1831MOD , WL1835MOD

 

  1.   Trademarks
  2.   Warning
  3. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 TI Module Key Benefits
  4. 2Board Pin Assignment
    1. 2.1 Pin Descriptions
  5. 3Electrical Characteristics
  6. 4Approved Antenna Types and Maximum Gain Values
  7. 5On-Board Antenna Configuration
    1. 5.1 VSWR
    2. 5.2 Efficiency
    3. 5.3 Radio Pattern
    4. 5.4 ANT1
    5. 5.5 ANT2
  8. 6Circuit Design
    1. 6.1 Schematic
    2. 6.2 Bill of Materials (BOM)
  9. 7Layout Guidelines
    1. 7.1 Board Layout
  10. 8Revision History

1.1 Features

  • WLAN, Bluetooth, BLE on a module board
  • 100-pin board card
  • Dimension 76.0 mm(L) x 31.0 mm(W)
  • WLAN 2.4 GHz SISO (20- and 40-MHz channels), 2.4-GHz MIMO (20-MHz channels)
  • Support for BLE dual mode
  • Seamless integration with TI Sitara and other application processors
  • Design for TI AM335X general-purpose EVM
  • WLAN and Bluetooth, BLE cores are software and hardware compatible with prior WL127x, WL128x and CC256x offerings, for smooth migration to device.
  • Shared HCI transport for Bluetooth and BLE over UART and SDIO for WLAN.
  • Wi-Fi / Bluetooth single antenna co-existence
  • Built-in chip antenna
  • Optional U.FL RF connector for external 2.4-GHz band antenna
  • Direct connection to battery using external switching mode power supply supporting 4.8-V to 2.9-V operation
  • VIO in the 1.8-V domain